n: 30 m: 411 packed: 10 density: 0 nodes: 0 solveTime: 13190 buildTime: 100 solved: true
{0,12,21}
{1,13,19}
{2,5,20}
{3,4,6}
{7,8,14}
{9,10,11}
{15,17,18}
{16,27,29}
{22,26,28}
{23,24,25}